A 28-year-old man presents to the ED complaining of anal and lower back pain for the previous 36 h. He has tried taking simple analgesics with no benefit. The pain is progressively getting worse and he is now finding it uncomfortable to walk or sit down. Examination Inspection of the anus reveals a 3 cm × 3 cm swelling at the anal margin. The swelling is warm, exquisitely tender and fluctuant.
What is the most likely diagnosis? *This case is from Docplexus editorial team for educative purpose only. Source: 100 cases in Surgery The answer is available now. Click Here to know!
